Ph Scales and Indicators

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Red litmus turns blue in alkalis, and blue litmus turns red in acids. neutral When a substance is neither acidic nor alkaline, and has a pH of 7. neutralisation The reaction between an acid and a base to form a salt plus water. pH Scale of acidity or alkalinity. • WHY CHOOSE Skype Online Tution????? • 1. You do not need to leave your house and neither does your tutor • 2. You can have face to face conversations • 3. You can still share worksheets via an instant messaging window on skype • 4. You save money on fuel as you don't need transport. • 5. You save time as there is no travelling to and from your lessons • 6. All internet calls on skype are free. • 7. 100% result and satisfaction. • Kindly Like, Share, Support and subscribe!!!!!!!!! • Subscribe:- / @skypeonlinetuition • Twitter:- / skypetution • Facebook:- / skypeonlinetution • Facebook page:- / skype_online_tution-177797729386180 • Google Plus:- https://plus.google.com/u/0/102586726... • Or, visit my website:- https://skypeonlinetution.wixsite.com... • All about my educational videos, kindly visit:- / @skypeonlinetuition • Thanks to all.....who want to get deep knowledge....!!!!!!!!!. • #SkypeOnlineTution • #skypeonlinetution

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